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2002012212197 is a prime number
BaseRepresentation
bin11101001000100001001…
…110100000101111100101
321002101112200011211011202
4131020201032200233211
5230300110111242242
64131413421412245
7264432505011644
oct35104116405745
97071480154152
102002012212197
11702059779678
12284005a0a085
13116a343c618a
146cc7dc0735b
15371249a3932
hex1d2213a0be5

2002012212197 has 2 divisors, whose sum is σ = 2002012212198. Its totient is φ = 2002012212196.

The previous prime is 2002012212173. The next prime is 2002012212227. The reversal of 2002012212197 is 7912122102002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1994786192161 + 7226020036 = 1412369^2 + 85006^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002012212197 - 26 = 2002012212133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2002012212107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001006106098 + 1001006106099.

It is an arithmetic number, because the mean of its divisors is an integer number (1001006106099).

Almost surely, 22002012212197 is an apocalyptic number.

It is an amenable number.

2002012212197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002012212197 is an equidigital number, since it uses as much as digits as its factorization.

2002012212197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 29.

Adding to 2002012212197 its reverse (7912122102002), we get a palindrome (9914134314199).

The spelling of 2002012212197 in words is "two trillion, two billion, twelve million, two hundred twelve thousand, one hundred ninety-seven".